🚀 go-pugleaf

In article <821933493snz@longley.demon.co.uk>
           David@longley.demon.co.uk "David Longley" writes:

> I've been working on a VLB Octek Chipset based motherboard with a 
> 486-25SX  which  has been run at 33MHz in the past.  BIOS  is  MR 
> BIOS.
> 
> Problem 1) - If the system is left on for about 30 mins and  then 
>              switched off and back on, after the setup delay  and 
>              memory check, the system puts up a message saying it 
>              is  waiting  for the hard disk to spin up  and  then 
>              just times out.  Poking  around  inside at  the  VLB
>              video  card/HD  controller (multifunction  card  (it 
>              will come back to life.
> 
> Problem 2) - It looks like the system time  clock  is  running 
>              rather fast, the seconds look like they're passsing
>              twice as fast as they should.
> 
> At  the  moment I have 2 70ns 30 pin SIMMs in the  system  and  2 
> 100ns 30 pin SIMMs. (I know the latter are slow, but they seem to 
> pass the POST. I have now put the system back to 25MHz.
> 
> Are  the two problems above related? What do I have to change  to 
> correct the system clock problem? ie what's the chip? 
> 
> Alternatively, anyone got a 486VLB board they are throwing out?
> -- 
> David Longley
> 
The  clock  seems to race whilst in MR BIOS's setup,  but  *look* 
like  it's  incrementing  normally in DOS  applications  such  as 
XTGOLD. Is there a specific chip which runs the clock?
-- 
David Longley